/*
 * Copyright 2009 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.gtugs.repository;

import org.gtugs.domain.Country;
import org.springframework.orm.jdo.support.JdoDaoSupport;

import java.util.List;

import javax.jdo.PersistenceManager;
import javax.jdo.Query;

/**
 * @author jasonacooper@google.com (Jason Cooper)
 */
public class JdoCountryDao extends JdoDaoSupport implements CountryDao {

  public JdoCountryDao() {
    super();
    setPersistenceManagerFactory(PMF.get());
  }

  @SuppressWarnings("unchecked")
  public List<Country> getCountries() {
    PersistenceManager pm = getPersistenceManager();
    Query query = pm.newQuery(Country.class);
    query.setOrdering("name asc");

    try {
      List<Country> results = (List<Country>) query.execute();

      if (results != null && results.size() > 0) {
        return (List<Country>) pm.detachCopyAll(results);
      }
    } finally {
      query.closeAll();
    }

    return null;
  }

  public void storeCountry(Country country) {
    getJdoTemplate().makePersistent(country);
  }
}
